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JEE Main & Advanced Chemistry Redox Reactions / रेडॉक्स अभिक्रियाएँ Question Bank Critical Thinking

  • question_answer
    For the reactions, \[C+{{O}_{2}}\to C{{O}_{2}};\Delta H=-393J\] \[2\,\,Zn+{{O}_{2}}\to 2\,\,ZnO;\Delta H=-412J\]                              [AIEEE 2002]

    A)                 Carbon can oxidise \[Zn\]            

    B)                 Oxidation of carbon is not feasible

    C)                 Oxidation of \[Zn\]is not feasible

    D)                 \[Zn\] can oxidise carbon

    Correct Answer: D

    Solution :

              \[Zn\]can oxidise carbon because heat of combusion of \[Zn<C\].


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